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Added new unused "data too long" exception/error class to Java, C++, Python, Rust code.

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Project Nayuki
2018-10-26 02:39:46 +00:00
parent 3da57e5aa0
commit 4635e8a8a8
5 changed files with 122 additions and 0 deletions
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python/qrcodegen.py
+14
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@@ -888,3 +888,17 @@ class _BitBuffer(list):
def _get_bit(x, i):
"""Returns true iff the i'th bit of x is set to 1."""
return (x >> i) & 1 != 0
class DataTooLongError(ValueError):
"""Raised when the supplied data does not fit any QR Code version. Ways to handle this exception include:
- Decrease the error correction level if it was greater than Ecc.LOW.
- If the encode_segments() function was called with a maxversion argument, then increase
it if it was less than QrCode.MAX_VERSION. (This advice does not apply to the other
factory functions because they search all versions up to QrCode.MAX_VERSION.)
- Split the text data into better or optimal segments in order to reduce the number of bits required.
- Change the text or binary data to be shorter.
- Change the text to fit the character set of a particular segment mode (e.g. alphanumeric).
- Propagate the error upward to the caller/user."""
pass